19c

Configure Oracle DB for using Large Pages on AIX

When it comes to deploying a new Oracle infrastructure, 90% of it is implemented on Linux. This makes sense, because Oracle runs very stable and performant on Linux and it is also Oracle’s own development platform. But since variety(…)

A few words about the good to know MAX_IDLE_BLOCKER_TIME

The increasing popularity of tools like SQL Developer and Toad, sometimes comes hand in hand with an increase of stuck sessions.This is especially seen in cases where: User A does a change (neither committed nor rolled back). Then, switches(…)

Why do we still have HEIGHT BALANCED Histograms and how to get rid of them?

A customer, who is on 19c with his Oracle databases asked me recently why he still has Height Balanced Histograms in his database? E.g. SQL> select histogram, count(*) from dba_tab_columns where histogram <> 'NONE' group by histogram order by(…)